When Xie Lei made progress in her study abroad, her parents encouraged her to ____.
| A．make it up | B．keep it up | C．build it up | D．lift it up |
You can only be sure of _____ you have at present；you cannot be sure of something _____ you might get in the future．
| A．that; what | B．what; / | C．which；that | D．/；that |
The company was named Gates Hall ______ a man named James Gates.
| A．in memory of | B．in search of |
| C．with the help of | D．in need of |
— Has Mary finished writing her article?
— No, and it _____ before class was over.
| A．should be finished | B．should finish |
| C．ought to have been finished | D．should have finished |
—Your mother becomes more and more forgetful.
—Yes. She searched for her cellphone for a whole day last Sunday but it ______ in her coat pocket the next day.
| A．turned out | B．turned on | C．turned over | D．turned up |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |